{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857970,-0.513700,0.000000,0.000000,0.262842,-0.438992,0.859186,0.000000,-0.440585,0.735854,0.514203,0.000000,-2812600.290436,4697534.179325,3260587.879639,1],    "boundingVolume": {    "region": [2.110206,0.540015,2.110371,0.540141,0.000000,23.589700]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/4_351694.b3dm"}}}